Warburton's place at openside flanker has been taken Ireland's Sean O'Brien, while Welsh number eight Toby Faletau has also been added to the back row.

In other changes, Mike Phillips returns to the starting XV in place of Ben Youngs, and hooker Richard Hibbard and loosehead prop Alex Corbisiero have been included in the front row.

The 34-year-old O'Driscoll had been regarded as a possible replacement for Warburton as Lions captain, but the availability of Roberts forced coach Warren Gatland to show faith in the hulking Welsh centre.

He had been sidelined with a hamstring injury he sustained against New South Wales a week before the first Test and his inclusion will give the Lions greater options in attempting to break the advantage line.

"It all comes down to Saturday, the winner takes all," Gatland said.

"We know we can leave nothing in the tank and that only a complete performance will get us across the line.

It all comes down to Saturday, the winner takes all.

Warren Gatland

"Picking this team was not easy and ultimately, with several players available after recovering from injury, the head overruled the heart in many selection decisions. It has been a challenging tour and we have had our fair share of injuries but we always knew that would be the case.

"Brian O'Driscoll is a great player and has had a wonderful career but for the final Test in Sydney we just felt Jamie Roberts' presence offered us something more.

"Mike Phillips and Alex Corbisiero were first Test selections and would probably have played in the second Test if not for injury.

"Richard Hibbard, Toby Faletau and Sean O'Brien have also earned their starting places."

End of the line

O'Driscoll, sole survivor from the tour against the Wallabies in 2001, took his Lions Test tally to eight in the opening two matches of this series. The 2005 captain, he has yet to win a series with the Lions and this is the first time he has been dropped.

Jones will captain the Lions for the first time and he will be one of a record-equalling 10 Welsh players in the starting line-up, with an 11th on the reserves bench.

The last time Wales had 10 players in a Lions line-up was the first Test against the Wallabies in Brisbane in 1950, which the Lions won 19-6.